*{
	padding: 0;
	margin: 0;
	text-decoration-line: none;
}
#hangtou{
	width: 1300px;
	height: 30px;
	border: 1px green solid;
	margin: auto;

}

.li1{
	width: 100px;
	height: 33px;
	background-color: gray;
	text-align: center;
	list-style: none;
	flex: auto;
	font-family: 黑体;
	color: green;
	font-size: 25px;
	border: 1px green solid;

}
#ul1{
	display: flex;
	flex-direction: row;
	flex-wrap: wrap;
}